... pumps, dredger, sewage pumps, desulphurization pump ,and other centrifugal horizontal and vertical pumps, and pump parts.Technology Parameters of 4/3C-AHR ... 800-1800593-5 5 245 1) Cantilevered, horizontal, centrifugal, one stage, single casing gravel (sand) pump2) High head, large ... .3. The parts such as labyrinth, labyrinth locknut, end cover and shaft sleeve are used for bearing assembly; these parts ...